22540234451 has 16 divisors (see below), whose sum is σ = 27193824000. Its totient is φ = 18250865568.

The previous prime is 22540234441. The next prime is 22540234477. The reversal of 22540234451 is 15443204522.

It is not a de Polignac number, because 22540234451 - 2¹⁴ = 22540218067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540234411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196385 + ... + 289218.

It is an arithmetic number, because the mean of its divisors is an integer number (1699614000).

Almost surely, 2^22540234451 is an apocalyptic number.

22540234451 is a deficient number, since it is larger than the sum of its proper divisors (4653589549).

22540234451 is a wasteful number, since it uses less digits than its factorization.

22540234451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485978.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 22540234451 its reverse (15443204522), we get a palindrome (37983438973).

The spelling of 22540234451 in words is "twenty-two billion, five hundred forty million, two hundred thirty-four thousand, four hundred fifty-one".